A student is collecting the gas produced from the reaction of 1.5 grams of Mg with
excess HCI. When the reaction is
complete, how many moles of H2 should
have been produced?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.